Why Should You Not Use A Water Extinguisher On An Electrical Fire?

by | Last updated on January 24, 2024

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Water is a good conductor, and there is some concern for electrocution if you were to use water to extinguish an electrical fire. Electrical equipment must be unplugged and/or de-energized before using a water extinguisher on it.

Why shouldn’t you use a water extinguisher on an electrical fire?

Water fire extinguishers are

NOT suitable for electrical fires

as water is a conductor and you are at risk of electrocution if used on this type of fire. They are also NOT suitable for flammable liquids or flammable metal fires as it will not extinguish the fire.

Can you use a water extinguisher on an electrical fire?

Water mist extinguishers are

safe and well suited for use

on burning electrical equipment as the de-ionised water mist does not conduct electricity and the water mist does not form puddles which could lead to electrocution.

What should you never use to put out an electrical fire?


Don’t use water

to put it out.

Water is a natural conductor of electricity and if you throw water on an electrical fire, you can get shocked or electrocuted. Also, water may enable to fire to spread by conducting electricity throughout the room and potentially igniting flammable materials.

Can flour put out an electrical fire?


No. Flour should NEVER be used to extinguish a grease fire

. It could be ignited, making matters worse. Baking powder and baking soda are NOT the same thing, and like flour, will make a fire worse.

Which type of fire extinguisher do you use to fight an electrical fire if carbon dioxide extinguisher is unavailable?

Both carbon dioxide and dry chemicals can be used for electrical fires. An advantage of carbon dioxide is that it leaves no residue after the fire is extinguished. When electrical equipment is not energized, extinguishers for

Class A or B fires

may be used.

When should you not use a water fire extinguisher?

Never use a water extinguisher on

electrical fires or any fire involving a flammable liquid

. As any science student will tell you, water conducts the current. If you spray water onto an electrical fire, inadvertently or intentionally, you risk electrocuting yourself.

What type of extinguisher is best for electrical fires?


CO2 extinguishers

are mainly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. They also put out Class B fires. CO2 extinguishers suffocate fires by displacing the oxygen the fire needs to burn. This type of extinguisher has a black label.

How do you put out an electrical fire at home?

Dealing with an electrical fire

If there is an electrical fire,

pull the plug out, or switch off the power at the fuse box

– if it’s safe to do so. Sometimes this can stop the fire immediately. Never use water on an electrical fire, and don’t take any risks with your safety – get out, stay out and call 999.

Does salt put out electrical fires?


Sprinkle baking soda or salt on the grease

. This will quickly absorb it and will put out the fire out at its source. You can also use a fire extinguisher on a grease fire, but DO NOT use water or flour.

What do electrical fires smell like?

The electrical components and wires in your walls and outlets are coated with heat resistant chemicals and plastic coating for insulation. When these chemicals and plastic heat up significantly, they give off a burning odor that can smell

like fish

.

How do you fight an electrical fire?

  1. Disconnect the Electricity. First, disconnect the electricity to the source of the fire. …
  2. Use Baking Soda for Small Electrical Fires. If the fire began in an appliance or an overloaded cord, once you’ve unplugged the power source, toss baking soda over the flames. …
  3. Never Use Water While the Power Is On.

Can you use baking soda to put out a grease fire?

Pour on Baking Soda –

Baking soda will extinguish grease fires

, but only if they’re small. It takes a lot of baking soda to do the job. Spray the Pot with a Class B Dry Chemical Fire Extinguisher – This is your last resort, as fire extinguishers will contaminate your kitchen.

Does baking soda put out electrical fires?

If it is a small electrical fire, such as one that started on an appliance or overload of a circuit, then

you can throw baking soda on the flames to put it out

. Baking soda is a chemical compound sodium bicarbonate and is in Class C fire extinguishers.

What is the most difficult fire to put out?


Grease fires

are among the most difficult type of fire to put out. Attempting to extinguish it with water can make the fire grow, as water and oil do not mix. Grease fires are often associated with kitchen fires and they occur when the oil gets too hot when cooking.

What is the difference between ABC and CO2 fire extinguisher?

CO2s are designed for Class B and C (flammable liquid and electrical) fires only. Carbon Dioxide is a non-flammable gas that extinguishes fire by displacing oxygen, or taking away the oxygen element of the fire triangle.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.